

package com.hazelcast.jet.impl.operation;

import com.hazelcast.jet.impl.JetServiceBackend;
import com.hazelcast.jet.impl.execution.init.JetInitDataSerializerHook;
import com.hazelcast.spi.impl.AllowedDuringPassiveState;
import com.hazelcast.spi.impl.operationservice.UrgentSystemOperation;

import java.util.concurrent.CompletableFuture;

/**
 * Operation sent from a member to all other members to notify it that the
 * caller is about to shut down. The master should request termination of all
 * jobs running on caller and then the caller will actually shut down.
 */
public class NotifyMemberShutdownOperation extends AsyncOperation implements UrgentSystemOperation, AllowedDuringPassiveState {

    public NotifyMemberShutdownOperation() {
    }

    @Override
    protected CompletableFuture<Void> doRun() {
        return getJobCoordinationService().addShuttingDownMember(getCallerUuid());
    }

    @Override
    public int getClassId() {
        return JetInitDataSerializerHook.NOTIFY_MEMBER_SHUTDOWN_OP;
    }

    @Override
    public final String getServiceName() {
        return JetServiceBackend.SERVICE_NAME;
    }

    @Override
    protected boolean requiresExplicitServiceName() {
        return true;
    }
}
